body {
  position: relative;
}

button {
  cursor: pointer;
}

input {
  outline: none;
  background-color: rgba(255, 227, 228, 0.866);
  border: none;
  border-radius: 3px;
  width: 330px;
  height: 30px;
  margin: 15px;
}

input::-webkit-input-placeholder {
  color: rgb(128, 128, 128);
}

ul {
  padding-left: 0;
}

ul>li {
  list-style: none;
}

.border {
  width: 500px;
  background-color: rgb(176, 115, 125);
  border-radius: 10px;
  margin: auto;
  padding-bottom: 20px;
  position: absolute;
  top: 6.66667rem;
  left: 30%;
}

.border .title {
  padding-top: 5px;
  font-size: 24px;
  color: aliceblue;
  line-height: 50px;
  text-align: center;
}

.form {
  width: 80%;
  margin: 15px auto;
}

#add {
  width: 30px;
  height: 30px;
  border: 0;
  background: url(../images/添加1.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

.item {
  display: flex;
  justify-content: space-between;
  line-height: 30px;
  font-size: 14px;
  color: rgb(75, 73, 73);
  padding: 5px 0;
  border-bottom: 1px solid white;
}

.item .info {
  margin-left: 10px;
  font-size: 14px;
  line-height: 40px;
}

.list .item .up,.down,.edit,
.fin,
.del {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 5px;
  color: white;

}

/* 备忘录上移按钮样式 */
.up {
  background: url(../images/上传.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

/* 备忘录下移按钮样式 */
.down {
  background: url(../images/下载2.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

/* 备忘录编辑按钮样式 */
.edit {
  background: url(../images/编辑.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

/* 备忘录完成按钮样式 */
.fin {
  background: url(../images/选择文档.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

/* 备忘录删除按钮样式 */
.del {
  background: url(../images/删除2.png) no-repeat;
  background-size: 30px 30px;
  background-position: center;
}

.btn {
  display: inline-block;
  width: 180px;
  padding-top: 5px;
}

/* 点击完成按钮后所添加的新类名finished */
.finished {
  color: rgb(112, 110, 110);
  background-color: rgb(197, 190, 190);
  border-radius: 3px;
}

.finished>.info {
  /* 为文字添加删除线 */
  text-decoration: line-through;
}

